Effect of baohuoside-I on Wnt/β-catenin signaling pathway of human esophageal carcinoma cell Eca-109 Effect of baohuoside-I on Wnt/β-catenin signaling pathway of human esophageal carcinoma cell Eca-109 Effect of Angelica sinensis polysaccharide on Wnt/β-catenin signaling pathway in hematopoietic stem cells of aging model mice